28360f99c2a7c863c49863527a1754dd0efcf343f50d41afc1f8e050b7cedff3

Analysis

max time kernel
142s
max time network
149s
platform
windows7_x64
resource
win7-20230831-en
resource tags

arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
submitted
12/10/2023, 17:44

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General

Target

NEAS.0bb3ccf16acce19c0425f1c837584820_JC.exe
Size

391KB
MD5

0bb3ccf16acce19c0425f1c837584820
SHA1

255c5bb5f807465f426853a89a38c3a588294fc8
SHA256

28360f99c2a7c863c49863527a1754dd0efcf343f50d41afc1f8e050b7cedff3
SHA512

e39c95f171b07e406c0360b138abefb6b5d62b3df04d9c0cdab53a934613d0ecb7e4663de32e3cb04dc33bc08439d37fc932f7beca0b6dfff079e5c843fbaf11
SSDEEP

6144:dC4umWphVf4j27zo1zK4f+dP9+xCOwTdzi1IcX45yV4:H9WphJx7kzlfUFGwTdnyVu

Score

10^/10

persistence

Malware Config

Signatures

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\shell = "Explorer.exe sychost.exe"	NEAS.0bb3ccf16acce19c0425f1c837584820_JC.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2180306848-1874213455-4093218721-1000\Software\Microsoft\Windows\CurrentVersion\Run\WinIcons = "C:\\Windows\\system32\\winicons.exe"	reg.exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\winicons.exe	NEAS.0bb3ccf16acce19c0425f1c837584820_JC.exe
File opened for modification	C:\Windows\SysWOW64\winicons.exe	NEAS.0bb3ccf16acce19c0425f1c837584820_JC.exe
File created	C:\Windows\SysWOW64\sychost.exe	NEAS.0bb3ccf16acce19c0425f1c837584820_JC.exe

Drops file in Program Files directory 58 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\7-Zip\Lang\hr.txt	NEAS.0bb3ccf16acce19c0425f1c837584820_JC.exe
File opened for modification	C:\Program Files\7-Zip\Lang\kk.txt	NEAS.0bb3ccf16acce19c0425f1c837584820_JC.exe
File opened for modification	C:\Program Files\7-Zip\Lang\lij.txt	NEAS.0bb3ccf16acce19c0425f1c837584820_JC.exe
File opened for modification	C:\Program Files\7-Zip\7z.exe	NEAS.0bb3ccf16acce19c0425f1c837584820_JC.exe
File opened for modification	C:\Program Files\7-Zip\Lang\ast.txt	NEAS.0bb3ccf16acce19c0425f1c837584820_JC.exe
File opened for modification	C:\Program Files\7-Zip\Lang\es.txt	NEAS.0bb3ccf16acce19c0425f1c837584820_JC.exe
File opened for modification	C:\Program Files\7-Zip\Lang\id.txt	NEAS.0bb3ccf16acce19c0425f1c837584820_JC.exe
File opened for modification	C:\Program Files\7-Zip\Lang\kaa.txt	NEAS.0bb3ccf16acce19c0425f1c837584820_JC.exe
File opened for modification	C:\Program Files\7-Zip\Lang\cs.txt	NEAS.0bb3ccf16acce19c0425f1c837584820_JC.exe
File opened for modification	C:\Program Files\7-Zip\Lang\ext.txt	NEAS.0bb3ccf16acce19c0425f1c837584820_JC.exe
File opened for modification	C:\Program Files\7-Zip\Lang\fur.txt	NEAS.0bb3ccf16acce19c0425f1c837584820_JC.exe
File opened for modification	C:\Program Files\7-Zip\Lang\ky.txt	NEAS.0bb3ccf16acce19c0425f1c837584820_JC.exe
File opened for modification	C:\Program Files\7-Zip\Lang\ar.txt	NEAS.0bb3ccf16acce19c0425f1c837584820_JC.exe
File opened for modification	C:\Program Files\7-Zip\Lang\fy.txt	NEAS.0bb3ccf16acce19c0425f1c837584820_JC.exe
File opened for modification	C:\Program Files\7-Zip\Lang\hu.txt	NEAS.0bb3ccf16acce19c0425f1c837584820_JC.exe
File opened for modification	C:\Program Files\7-Zip\Lang\be.txt	NEAS.0bb3ccf16acce19c0425f1c837584820_JC.exe
File opened for modification	C:\Program Files\7-Zip\Lang\ba.txt	NEAS.0bb3ccf16acce19c0425f1c837584820_JC.exe
File opened for modification	C:\Program Files\7-Zip\Lang\ja.txt	NEAS.0bb3ccf16acce19c0425f1c837584820_JC.exe
File opened for modification	C:\Program Files\7-Zip\Lang\ka.txt	NEAS.0bb3ccf16acce19c0425f1c837584820_JC.exe
File opened for modification	C:\Program Files\7-Zip\Lang\ku.txt	NEAS.0bb3ccf16acce19c0425f1c837584820_JC.exe
File opened for modification	C:\Program Files\7-Zip\Lang\et.txt	NEAS.0bb3ccf16acce19c0425f1c837584820_JC.exe
File opened for modification	C:\Program Files\7-Zip\Lang\fr.txt	NEAS.0bb3ccf16acce19c0425f1c837584820_JC.exe
File opened for modification	C:\Program Files\7-Zip\Lang\ku-ckb.txt	NEAS.0bb3ccf16acce19c0425f1c837584820_JC.exe
File opened for modification	C:\Program Files\7-Zip\History.txt	NEAS.0bb3ccf16acce19c0425f1c837584820_JC.exe
File opened for modification	C:\Program Files\7-Zip\Lang\af.txt	NEAS.0bb3ccf16acce19c0425f1c837584820_JC.exe
File opened for modification	C:\Program Files\7-Zip\Lang\mng.txt	NEAS.0bb3ccf16acce19c0425f1c837584820_JC.exe
File opened for modification	C:\Program Files\7-Zip\Lang\is.txt	NEAS.0bb3ccf16acce19c0425f1c837584820_JC.exe
File opened for modification	C:\Program Files\7-Zip\Lang\da.txt	NEAS.0bb3ccf16acce19c0425f1c837584820_JC.exe
File opened for modification	C:\Program Files\7-Zip\Lang\eu.txt	NEAS.0bb3ccf16acce19c0425f1c837584820_JC.exe
File opened for modification	C:\Program Files\7-Zip\Lang\he.txt	NEAS.0bb3ccf16acce19c0425f1c837584820_JC.exe
File opened for modification	C:\Program Files\7-Zip\Lang\mk.txt	NEAS.0bb3ccf16acce19c0425f1c837584820_JC.exe
File opened for modification	C:\Program Files\7-Zip\7zFM.exe	NEAS.0bb3ccf16acce19c0425f1c837584820_JC.exe
File opened for modification	C:\Program Files\7-Zip\Lang\az.txt	NEAS.0bb3ccf16acce19c0425f1c837584820_JC.exe
File opened for modification	C:\Program Files\7-Zip\Lang\hi.txt	NEAS.0bb3ccf16acce19c0425f1c837584820_JC.exe
File opened for modification	C:\Program Files\7-Zip\7zG.exe	NEAS.0bb3ccf16acce19c0425f1c837584820_JC.exe
File opened for modification	C:\Program Files\7-Zip\Lang\cy.txt	NEAS.0bb3ccf16acce19c0425f1c837584820_JC.exe
File opened for modification	C:\Program Files\7-Zip\Lang\el.txt	NEAS.0bb3ccf16acce19c0425f1c837584820_JC.exe
File opened for modification	C:\Program Files\7-Zip\Lang\an.txt	NEAS.0bb3ccf16acce19c0425f1c837584820_JC.exe
File opened for modification	C:\Program Files\7-Zip\Lang\bg.txt	NEAS.0bb3ccf16acce19c0425f1c837584820_JC.exe
File opened for modification	C:\Program Files\7-Zip\Lang\lv.txt	NEAS.0bb3ccf16acce19c0425f1c837584820_JC.exe
File opened for modification	C:\Program Files\7-Zip\Lang\hy.txt	NEAS.0bb3ccf16acce19c0425f1c837584820_JC.exe
File opened for modification	C:\Program Files\7-Zip\Lang\it.txt	NEAS.0bb3ccf16acce19c0425f1c837584820_JC.exe
File opened for modification	C:\Program Files\7-Zip\Lang\kab.txt	NEAS.0bb3ccf16acce19c0425f1c837584820_JC.exe
File opened for modification	C:\Program Files\7-Zip\Lang\de.txt	NEAS.0bb3ccf16acce19c0425f1c837584820_JC.exe
File opened for modification	C:\Program Files\7-Zip\Lang\eo.txt	NEAS.0bb3ccf16acce19c0425f1c837584820_JC.exe
File opened for modification	C:\Program Files\7-Zip\Lang\ga.txt	NEAS.0bb3ccf16acce19c0425f1c837584820_JC.exe
File opened for modification	C:\Program Files\7-Zip\Lang\gl.txt	NEAS.0bb3ccf16acce19c0425f1c837584820_JC.exe
File opened for modification	C:\Program Files\7-Zip\Lang\lt.txt	NEAS.0bb3ccf16acce19c0425f1c837584820_JC.exe
File opened for modification	C:\Program Files\7-Zip\Lang\bn.txt	NEAS.0bb3ccf16acce19c0425f1c837584820_JC.exe
File opened for modification	C:\Program Files\7-Zip\Lang\br.txt	NEAS.0bb3ccf16acce19c0425f1c837584820_JC.exe
File opened for modification	C:\Program Files\7-Zip\Lang\ca.txt	NEAS.0bb3ccf16acce19c0425f1c837584820_JC.exe
File opened for modification	C:\Program Files\7-Zip\Lang\mn.txt	NEAS.0bb3ccf16acce19c0425f1c837584820_JC.exe
File opened for modification	C:\Program Files\7-Zip\Lang\co.txt	NEAS.0bb3ccf16acce19c0425f1c837584820_JC.exe
File opened for modification	C:\Program Files\7-Zip\Lang\gu.txt	NEAS.0bb3ccf16acce19c0425f1c837584820_JC.exe
File opened for modification	C:\Program Files\7-Zip\Lang\ko.txt	NEAS.0bb3ccf16acce19c0425f1c837584820_JC.exe
File opened for modification	C:\Program Files\7-Zip\Lang\fa.txt	NEAS.0bb3ccf16acce19c0425f1c837584820_JC.exe
File opened for modification	C:\Program Files\7-Zip\Lang\fi.txt	NEAS.0bb3ccf16acce19c0425f1c837584820_JC.exe
File opened for modification	C:\Program Files\7-Zip\Lang\io.txt	NEAS.0bb3ccf16acce19c0425f1c837584820_JC.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2820	NEAS.0bb3ccf16acce19c0425f1c837584820_JC.exe
2820	NEAS.0bb3ccf16acce19c0425f1c837584820_JC.exe
2820	NEAS.0bb3ccf16acce19c0425f1c837584820_JC.exe
2820	NEAS.0bb3ccf16acce19c0425f1c837584820_JC.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2820 wrote to memory of 1036	2820	NEAS.0bb3ccf16acce19c0425f1c837584820_JC.exe	28
PID 2820 wrote to memory of 1036	2820	NEAS.0bb3ccf16acce19c0425f1c837584820_JC.exe	28
PID 2820 wrote to memory of 1036	2820	NEAS.0bb3ccf16acce19c0425f1c837584820_JC.exe	28
PID 2820 wrote to memory of 1036	2820	NEAS.0bb3ccf16acce19c0425f1c837584820_JC.exe	28
PID 1036 wrote to memory of 2312	1036	cmd.exe	30
PID 1036 wrote to memory of 2312	1036	cmd.exe	30
PID 1036 wrote to memory of 2312	1036	cmd.exe	30
PID 1036 wrote to memory of 2312	1036	cmd.exe	30

C:\Users\Admin\AppData\Local\Temp\NEAS.0bb3ccf16acce19c0425f1c837584820_JC.exe
"C:\Users\Admin\AppData\Local\Temp\NEAS.0bb3ccf16acce19c0425f1c837584820_JC.exe"
1⤵
- Modifies WinLogon for persistence
- Drops file in System32 directory
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2820
- C:\Windows\SysWOW64\cmd.exe
  cmd /c reg ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run /v WinIcons /t REG_SZ /d C:\Windows\system32\winicons.exe /f
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1036
- - C:\Windows\SysWOW64\reg.exe
    reg ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run /v WinIcons /t REG_SZ /d C:\Windows\system32\winicons.exe /f
    3⤵
    - Adds Run key to start application
    PID:2312

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\SysWOW64\sychost.exe

Filesize
391KB

MD5
0bb3ccf16acce19c0425f1c837584820

SHA1
255c5bb5f807465f426853a89a38c3a588294fc8

SHA256
28360f99c2a7c863c49863527a1754dd0efcf343f50d41afc1f8e050b7cedff3

SHA512
e39c95f171b07e406c0360b138abefb6b5d62b3df04d9c0cdab53a934613d0ecb7e4663de32e3cb04dc33bc08439d37fc932f7beca0b6dfff079e5c843fbaf11

Download Submit
C:\log.txt

Filesize
75B

MD5
1444e1fadcf84e3139a68d80fd726655

SHA1
fe53320b67cbe4aa42f9fa8982f1362827ace2b3

SHA256
259fb6155a222e667506d97495cdf724766f422f3d870be966a34bdf29d98593

SHA512
1856c487f24e60d7fcb8559a8ebba58ea2a4d4a7d8cc466d6d13bd684551e8e256300629044d862c4e4a72bfbdf5f2382a42d1504952632f05af10b4c79b616f

Download Submit
memory/2820-66-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/2820-67-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/2820-68-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/2820-71-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/2820-85-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/2820-86-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/2820-88-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/2820-91-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/2820-92-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/2820-93-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/2820-94-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download